When the Greens moved into the house last week was at sixes and sevens so they did a bi

问题补充：

When the Greens moved into the house last week, was at sixes and sevens, so they did a big cleaning.

A. something

B. everything

C. anything

D. nothing

答案：

A. something

(答案→)B. everything

C. anything

D. nothing

解析：通过情景来进行词汇辨析，根据at sixes and sevens“杂乱无章”和they did a big cleaning可知。